Jonathan C Fox

CIK 1655016 · See Remarks · last filed 2026-04-03

Jonathan C Fox is a corporate insider who has filed 38 SEC Form 4 insider transactions across 3 companies since 2015. The most recent filing, for EWTX, was dated Apr 3, 2026. Across all open-market trades the lifetime net is −$6.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $853.8K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$853.8K

Companies

3

Total Filings

38

Lifetime Open-Market Net

-$6.95M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
EWTX Director 24,514 $34.83 $853.8K $300.4K 11 2026-04-03
Eidos Therapeutics, Inc. (EIDX) Delisted See Remarks 380,967 -$7.28M 24 2020-09-18
MyoKardia, Inc. (MYOK) Delisted Chief Medical Officer 240,997 $30.0K 2 2016-05-06

Recent Filings

38 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-04-03 EWTX Grant (A) +339 $0 EDGAR
2026-01-05 EWTX Grant (A) +473 $0 EDGAR
2025-11-13 EWTX Buy (P) +10,700 $199.4K EDGAR
2025-10-02 EWTX Grant (A) +728 $0 EDGAR
2025-07-02 EWTX Grant (A) +858 $0 EDGAR
2025-06-18 EWTX Grant (A) $0 EDGAR
2025-04-03 EWTX Grant (A) +559 $0 EDGAR
2024-06-12 EWTX Grant (A) $0 EDGAR
2023-12-28 EWTX Buy (P) +10,857 $101.0K EDGAR
2023-06-14 EWTX Grant (A) $0 EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.